User manual

IEC61131 User and Reference Manual
April 22, 2008
351
Inputs
Type
Description
SandFEnabled
Boolean
Store and forward enable
Enable store and forward when set to TRUE.
Disables store and forward when set to FALSE.
Default = FALSE
Outputs
Type
Description
Q
Boolean
TRUE if set input is TRUE.
FALSE in all other cases.
Notes
Com3 is supported only when the SCADAPack Lower I/O module is installed. Com4 is
supported only when the SCADAPack Upper I/O module is installed.
Extended addressing is supported only by the Modbus RTU and Modbus ASCII protocols.
To optimize performance, minimize the length of messages on com3 and com4. Examples of
recommended uses for com3 and com4 are for local operator terminals, and for
programming and diagnostics.
Refer to the TeleBUS Protocols User Manual for further information on protocols.
See Also
protinfo